`My team is using WildFly 14.0.0. we recently upgraded to Ubuntu 20.04. Wildfly server is unable to start after the upgraddation and throws below error.
2022-12-27 12:08:23,265 ERROR [org.xnio.listener] (default I/O-11) XNIO001007: A channel event listener threw an exception: java.lang.NullPointerException
at org.wildfly.openssl.CipherSuiteConverter.toJava(CipherSuiteConverter.java:284)
at org.wildfly.openssl.OpenSSLEngine.toJavaCipherSuite(OpenSSLEngine.java:1094)
at org.wildfly.openssl.OpenSSLEngine.getEnabledCipherSuites(OpenSSLEngine.java:729)
at org.wildfly.openssl.OpenSSLContextSPI.getCiphers(OpenSSLContextSPI.java:339)
at org.wildfly.openssl.OpenSSLEngine.getEnabledCipherSuites(OpenSSLEngine.java:720)
at io.undertow.server.protocol.http.AlpnOpenListener.engineSupportsHTTP2(AlpnOpenListener.java:317)
at io.undertow.server.protocol.http.AlpnOpenListener$1.apply(AlpnOpenListener.java:232)
at io.undertow.server.protocol.http.AlpnOpenListener$1.apply(AlpnOpenListener.java:228)
at io.undertow.server.protocol.http.AlpnOpenListener$SSLConduitUpdater.apply(AlpnOpenListener.java:423)
at io.undertow.server.protocol.http.AlpnOpenListener$SSLConduitUpdater.apply(AlpnOpenListener.java:412)
at io.undertow.protocols.alpn.DefaultAlpnEngineManager.registerEngine(DefaultAlpnEngineManager.java:31)
at io.undertow.protocols.alpn.ALPNManager.registerEngineCallback(ALPNManager.java:80)
at io.undertow.server.protocol.http.AlpnOpenListener.handleEvent(AlpnOpenListener.java:228)
at io.undertow.server.protocol.http.AlpnOpenListener.handleEvent(AlpnOpenListener.java:64)
at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92)
at org.xnio.ChannelListeners$10.handleEvent(ChannelListeners.java:291)
at org.xnio.ChannelListeners$10.handleEvent(ChannelListeners.java:286)
at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92)
at org.xnio.ChannelListeners$DelegatingChannelListener.handleEvent(ChannelListeners.java:1092)
at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92)
at org.xnio.nio.QueuedNioTcpServer$1.run(QueuedNioTcpServer.java:131)
at org.xnio.nio.WorkerThread.safeRun(WorkerThread.java:612)
at org.xnio.nio.WorkerThread.run(WorkerThread.java:479)
I looked up a link https://issues.redhat.com/browse/JBEAP-16425 where it is fixed in EAP 7.2.3. Can anyone help mapping the equivalent version of Wildfly? which will have this fix
OR suggest any other possible fix
Thank you in advance.`
